Polymerisation process

A process is described for the polymerisation of unsaturated fatty acids, especially containing oleic acid, whereby the acid is heated to 175 DEG C in the presence of a catalyst for a period sufficient for less than 40% of the acid to be polymerised. The product dimer acid is easier to hydrogenate t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VREESWIJK, JOHANNES JOSEPHUS, CROSS, GRAHAM ANDREW, LAANE, NICOLAAS CHARLES MARIE, HAASE, KLAUS DIETER
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES APPARATUS THEREFOR CANDLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON DETERGENTS FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS,OILS, OR FATTY ACIDS OBTAINED THEREFROM FATTY ACIDS FROM FATS, OILS OR WAXES FATTY ACIDS THEREFROM GENERAL METHODS OF ORGANIC CHEMISTRY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A process is described for the polymerisation of unsaturated fatty acids, especially containing oleic acid, whereby the acid is heated to 175 DEG C in the presence of a catalyst for a period sufficient for less than 40% of the acid to be polymerised. The product dimer acid is easier to hydrogenate than if polymerisation is continued further. The remaining unpolymerised material undergoes cis-trans isomerisation.